Storm Station
Jamestown, Colorado
64°
Mostly clear· Feels like 64°·Light air 4 mph S
Partly cloudy, with a low around 49. West wind around 6 mph.
-UV
-Air quality
36%Humidity
33%Cloud

What is measuring near here

The 6 instruments nearest Jamestown, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.4 miles away.

measured now4 instruments

Ward (35)CO044

Beside a road/6.0 mi away/9,155 ft/2,032 ft above here

temp, pavement temp, wind, visibility, precip

Rank1,364of 1,384

Sugarloaf RAWSBTAC2

A remote fire weather station/6.8 mi away/6,752 ft/371 ft below here

temp, wind, gust, humidity, pressure

Rank233of 1,384

Boulder 14 W94075

At a climate reference station/9.8 mi away/9,828 ft/2,705 ft above here

temp, humidity, wind, solar, precip

Rank-

BoulderBDU

At an airfield/10.1 mi away/5,289 ft/1,834 ft below here

temp, wind, gust, visibility, precip, pressure

Rank942of 1,384

measured daily2 instruments

Jamestown 2.5 SSECO-BO-343

In a volunteer observer's own ground/2.4 mi away/7,045 ft/78 ft below here

precip, snowfall, snow depth

Rank-

Lyons 7STHUC2

At a cooperative observer's station/5.4 mi away/5,735 ft/1,388 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Boulder, drawn

The nearest airport reporting now, 10.1 mi from Jamestown. From its report of Sep 27, 2026, 2:15 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Boulder, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BDUFIG. A THE SKY OVER BOULDERSECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEBoulder, the skySTATION REPORT · ASOS BDUTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-BDU-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

68.0 F with a dew point of 37.4 F, 32 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 6,900 ft up.

Chart of the air at Boulder: temperature 68.0 degrees Fahrenheit and dew point 37.4, 32 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 6,900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BDUFIG. B THE AIR AT BOULDERTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00020 F30 F40 F50 F60 F70 F80 FSATURATES 6,900 FT ABOVE THE STATION, AT 30.9 FTEMPERATURE 68.0 FDEW POINT 37.4 FSPREAD 30.6 FRELATIVE HUMIDITY 32 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLEBoulder, the airSTATION REPORT · ASOS BDUTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-BDU-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west southwest (240 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Boulder, north up: blowing from 240 degrees, the west southwest, at 8 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT BDUFIG. C THE WIND AT BOULDERPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 240°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEBoulder, the windSTATION REPORT · ASOS BDUTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-BDU-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Boulder, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Lyons 7S (THUC2), 5.4 miles from here, read 25 Sep, 07:00. measured daily

Elsewhere in Colorado

41 places, each with its own forecast and its own instruments.

Near Jamestown

The nearest places, each with its own forecast and the instruments nearest it.